24x24x2 MERV 11 Pleated Air Filter 6PK - 23.375x23.375x1.75 - Actual Size White Westinghouse Conductivity and resistivity are “normalized”

Conductivity and resistivity are “normalized” terms that are used to denote a bulk intrinsic property of a substance

Aprilaire 560 Humidifier

238C2334P003

Filter Life: 6 months or 200 gallons

24x24x2 MERV 11 Pleated Air Filter 6PK - 23.375x23.375x1.75 - Actual Size White Westinghouse Conductivity and resistivity are “normalized”24x24x2 MERV 11 Air Filter Box of 6 Actual Size of Filter: 9 1 2 x 19 1 2 x Air filters are ranked in a minimum efficiency rating value (MERV) system. The higher the MERV rating, the better the filter can filter out all airborne particulates. Since we are constantly trying to improve indoor air quality, it only makes sense that we would offer air conditioner filter MERV 11. 24x24x2 MERV 11 filters are right on the cusp of being classified as medium